method for sensing abnormal door open
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The present invention relates to a technology that senses either an attempt to gaemun from the outside for opening and closing the door in a locked security condition, even if the opening and closing door is gaemun to damage or the like, various attempts to gaemun for opening and closing the door (for example, stones throwing, driver fit, a technique of pulling or even for pushing motion) and senses, so as to umjikyeodo detects abnormally held in a direction other than the opening and closing direction of door opens normally enhance the locking security mode for opening and closing the door knocker. In accordance with the present invention, there is an advantage that can be applied easily to open and close the door, the existing security systems installed by identifying, separated by normal and abnormal trajectory locus for gaemun of the opening and closing door.